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An instrument used to display or record spectra, as from electromagnetic or sound waves.
Farlex Partner Medical Dictionary © Farlex 2012


(spĕk′trō-grăf) [″ + Gr. graphein, to write]
An instrument designed to photograph spectra on a sensitive photographical plate.

mass spectrograph

A device that separates ions of different masses by employing a magnetic field to deflect them as they travel along a given path.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The gold-copper wires were examined spectrographically for metallic impurities; no significant impurities were found at detection limits ranging from 0.0001 to 0.010%.
The oil sample was analyzed spectrographically, the different kinds of metal particles were identified, and the density of each amount of particulate determined.
After passing atmospherically derived "nitrogen" over hot magnesium to absorb all the nitrogen, Ramsey spectrographically identified the remaining gas--roughly 1 percent of the original volume--as a new element.